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authorJakub Jelinek <jakub@redhat.com>2005-12-19 12:11:38 +0000
committerJakub Jelinek <jakub@redhat.com>2005-12-19 12:11:38 +0000
commit2c6cfe6853a30deb4af842aacc924fa298d0521a (patch)
tree7fcc409e499bb8e3d96522f7fc2393fc10e53db2 /sysdeps/i386
parent3ccb96cd41b38d0159bdf8aad229c3599864c65d (diff)
downloadglibc-2c6cfe6853a30deb4af842aacc924fa298d0521a.tar.gz
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Updated to fedora-glibc-20051219T1003 cvs/fedora-glibc-2_3_90-19
Diffstat (limited to 'sysdeps/i386')
-rw-r--r--sysdeps/i386/__longjmp.S5
-rw-r--r--sysdeps/i386/bsd-_setjmp.S5
-rw-r--r--sysdeps/i386/bsd-setjmp.S7
-rw-r--r--sysdeps/i386/bzero.c4
-rw-r--r--sysdeps/i386/elf/bsd-setjmp.S82
-rw-r--r--sysdeps/i386/elf/setjmp.S70
-rw-r--r--sysdeps/i386/ffs.c4
-rw-r--r--sysdeps/i386/i686/ffs.c4
-rw-r--r--sysdeps/i386/memset.c4
-rw-r--r--sysdeps/i386/setjmp.S13
10 files changed, 34 insertions, 164 deletions
diff --git a/sysdeps/i386/__longjmp.S b/sysdeps/i386/__longjmp.S
index 6b590f7f04..aced5f42c9 100644
--- a/sysdeps/i386/__longjmp.S
+++ b/sysdeps/i386/__longjmp.S
@@ -1,5 +1,5 @@
 /* longjmp for i386.
-   Copyright (C) 1995,1996,1997,1998,2000,2002 Free Software Foundation, Inc.
+   Copyright (C) 1995-1998,2000,2002,2005 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -44,6 +44,9 @@ ENTRY (BP_SYM (__longjmp))
 	movl (JB_DI*4)(%ecx), %edi
 	movl (JB_BP*4)(%ecx), %ebp
 	movl (JB_SP*4)(%ecx), %esp
+#ifdef PTR_DEMANGLE
+	PTR_DEMANGLE (%edx)
+#endif
 	/* Jump to saved PC.  */
      	jmp *%edx
 END (BP_SYM (__longjmp))
diff --git a/sysdeps/i386/bsd-_setjmp.S b/sysdeps/i386/bsd-_setjmp.S
index aa8df167d0..f80d239323 100644
--- a/sysdeps/i386/bsd-_setjmp.S
+++ b/sysdeps/i386/bsd-_setjmp.S
@@ -1,5 +1,5 @@
 /* BSD `_setjmp' entry point to `sigsetjmp (..., 0)'.  i386 version.
-   Copyright (C) 1994-1997,2000,2001,2002 Free Software Foundation, Inc.
+   Copyright (C) 1994-1997,2000-2002,2005 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -46,6 +46,9 @@ ENTRY (BP_SYM (_setjmp))
 	leal JMPBUF(%esp), %ecx	/* Save SP as it will be after we return.  */
      	movl %ecx, (JB_SP*4)(%edx)
 	movl PCOFF(%esp), %ecx	/* Save PC we are returning to now.  */
+#ifdef PTR_MANGLE
+	PTR_MANGLE (%ecx)
+#endif
      	movl %ecx, (JB_PC*4)(%edx)
 	LEAVE
 	movl %ebp, (JB_BP*4)(%edx) /* Save caller's frame pointer.  */
diff --git a/sysdeps/i386/bsd-setjmp.S b/sysdeps/i386/bsd-setjmp.S
index b6934dc548..f4257a0dc5 100644
--- a/sysdeps/i386/bsd-setjmp.S
+++ b/sysdeps/i386/bsd-setjmp.S
@@ -28,6 +28,10 @@
 #include "bp-sym.h"
 #include "bp-asm.h"
 
+#define PARMS  LINKAGE		/* no space for saved regs */
+#define JMPBUF PARMS
+#define SIGMSK JMPBUF+PTR_SIZE
+
 ENTRY (BP_SYM (setjmp))
 	/* Note that we have to use a non-exported symbol in the next
 	   jump since otherwise gas will emit it as a jump through the
@@ -44,6 +48,9 @@ ENTRY (BP_SYM (setjmp))
 	leal JMPBUF(%esp), %ecx	/* Save SP as it will be after we return.  */
      	movl %ecx, (JB_SP*4)(%eax)
 	movl PCOFF(%esp), %ecx	/* Save PC we are returning to now.  */
+#ifdef PTR_MANGLE
+	PTR_MANGLE (%ecx)
+#endif
      	movl %ecx, (JB_PC*4)(%eax)
 	LEAVE /* pop frame pointer to prepare for tail-call.  */
 	movl %ebp, (JB_BP*4)(%eax) /* Save caller's frame pointer.  */
diff --git a/sysdeps/i386/bzero.c b/sysdeps/i386/bzero.c
index c2b135cb88..a1cfe36ba1 100644
--- a/sysdeps/i386/bzero.c
+++ b/sysdeps/i386/bzero.c
@@ -1,6 +1,6 @@
 /* bzero -- set a block of memory to zero.  For Intel 80x86, x>=3.
    This file is part of the GNU C Library.
-   Copyright (C) 1991,92,93,97,98,99 Free Software Foundation, Inc.
+   Copyright (C) 1991,92,93,97,98,99, 05 Free Software Foundation, Inc.
    Contributed by Torbjorn Granlund (tege@sics.se).
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -79,5 +79,5 @@ __bzero (dstpp, len)
 weak_alias (__bzero, bzero)
 
 #else
-#include <sysdeps/generic/bzero.c>
+#include <string/bzero.c>
 #endif
diff --git a/sysdeps/i386/elf/bsd-setjmp.S b/sysdeps/i386/elf/bsd-setjmp.S
deleted file mode 100644
index c421791fe0..0000000000
--- a/sysdeps/i386/elf/bsd-setjmp.S
+++ /dev/null
@@ -1,82 +0,0 @@
-/* BSD `setjmp' entry point to `sigsetjmp (..., 1)'.  i386 version.
-   Copyright (C) 1995-1997,2000-2003,2005 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-
-   The GNU C Library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Lesser General Public
-   License as published by the Free Software Foundation; either
-   version 2.1 of the License, or (at your option) any later version.
-
-   The GNU C Library is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Lesser General Public License for more details.
-
-   You should have received a copy of the GNU Lesser General Public
-   License along with the GNU C Library; if not, write to the Free
-   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
-   02111-1307 USA.  */
-
-#include <sysdep.h>
-#define _ASM
-#define _SETJMP_H
-#include <bits/setjmp.h>
-#include "bp-sym.h"
-#include "bp-asm.h"
-
-#define PARMS	LINKAGE		/* no space for saved regs */
-#define JMPBUF	PARMS
-#define SIGMSK	JMPBUF+PTR_SIZE
-
-ENTRY (BP_SYM (setjmp))
-	/* Note that we have to use a non-exported symbol in the next
-	   jump since otherwise gas will emit it as a jump through the
-	   PLT which is what we cannot use here.  */
-	ENTER
-
-	movl JMPBUF(%esp), %eax
-	CHECK_BOUNDS_BOTH_WIDE (%eax, JMPBUF(%esp), $JB_SIZE)
-
-     	/* Save registers.  */
-	movl %ebx, (JB_BX*4)(%eax)
-	movl %esi, (JB_SI*4)(%eax)
-	movl %edi, (JB_DI*4)(%eax)
-	leal JMPBUF(%esp), %ecx	/* Save SP as it will be after we return.  */
-     	movl %ecx, (JB_SP*4)(%eax)
-	movl PCOFF(%esp), %ecx	/* Save PC we are returning to now.  */
-     	movl %ecx, (JB_PC*4)(%eax)
-	LEAVE /* pop frame pointer to prepare for tail-call.  */
-	movl %ebp, (JB_BP*4)(%eax) /* Save caller's frame pointer.  */
-
-	/* Call __sigjmp_save.  */
-	pushl $1
-	cfi_adjust_cfa_offset (4)
-	pushl 8(%esp)
-	cfi_adjust_cfa_offset (4)
-#ifdef	PIC
-	/* We cannot use the PLT, because it requires that %ebx be set, but
-           we can't save and restore our caller's value.  Instead, we do an
-           indirect jump through the GOT, using for the temporary register
-           %ecx, which is call-clobbered.  */
-	call __i686.get_pc_thunk.cx
-	addl $_GLOBAL_OFFSET_TABLE_, %ecx
-	leal C_SYMBOL_NAME (BP_SYM (__sigjmp_save)@GOTOFF)(%ecx), %ecx
-	call *%ecx
-#else
-	call BP_SYM (__sigjmp_save)
-#endif
-	popl %ecx
-	cfi_adjust_cfa_offset (-4)
-	popl %edx
-	cfi_adjust_cfa_offset (-4)
-	ret
-END (BP_SYM (setjmp))
-
-	.section .gnu.linkonce.t.__i686.get_pc_thunk.cx,"ax",@progbits
-	.globl __i686.get_pc_thunk.cx
-	.hidden __i686.get_pc_thunk.cx
-	.type __i686.get_pc_thunk.cx,@function
-__i686.get_pc_thunk.cx:
-	movl (%esp), %ecx
-	ret
-	.size __i686.get_pc_thunk.cx, . - __i686.get_pc_thunk.cx
diff --git a/sysdeps/i386/elf/setjmp.S b/sysdeps/i386/elf/setjmp.S
deleted file mode 100644
index d6ae98b8b4..0000000000
--- a/sysdeps/i386/elf/setjmp.S
+++ /dev/null
@@ -1,70 +0,0 @@
-/* setjmp for i386, ELF version.
-   Copyright (C) 1995-1997,2000,2001,2002,2003 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-
-   The GNU C Library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Lesser General Public
-   License as published by the Free Software Foundation; either
-   version 2.1 of the License, or (at your option) any later version.
-
-   The GNU C Library is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Lesser General Public License for more details.
-
-   You should have received a copy of the GNU Lesser General Public
-   License along with the GNU C Library; if not, write to the Free
-   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
-   02111-1307 USA.  */
-
-#include <sysdep.h>
-#define _ASM
-#define _SETJMP_H
-#include <bits/setjmp.h>
-#include "bp-sym.h"
-#include "bp-asm.h"
-
-#define PARMS	LINKAGE		/* no space for saved regs */
-#define JMPBUF	PARMS
-#define SIGMSK	JMPBUF+PTR_SIZE
-
-ENTRY (BP_SYM (__sigsetjmp))
-	ENTER
-
-	movl JMPBUF(%esp), %eax
-	CHECK_BOUNDS_BOTH_WIDE (%eax, JMPBUF(%esp), $JB_SIZE)
-
-     	/* Save registers.  */
-	movl %ebx, (JB_BX*4)(%eax)
-	movl %esi, (JB_SI*4)(%eax)
-	movl %edi, (JB_DI*4)(%eax)
-	leal JMPBUF(%esp), %ecx	/* Save SP as it will be after we return.  */
-     	movl %ecx, (JB_SP*4)(%eax)
-	movl PCOFF(%esp), %ecx	/* Save PC we are returning to now.  */
-     	movl %ecx, (JB_PC*4)(%eax)
-	LEAVE /* pop frame pointer to prepare for tail-call.  */
-	movl %ebp, (JB_BP*4)(%eax) /* Save caller's frame pointer.  */
-
-	/* Make a tail call to __sigjmp_save; it takes the same args.  */
-#ifdef	PIC
-	/* We cannot use the PLT, because it requires that %ebx be set, but
-           we can't save and restore our caller's value.  Instead, we do an
-           indirect jump through the GOT, using for the temporary register
-           %ecx, which is call-clobbered.  */
-	call __i686.get_pc_thunk.cx
-	addl $_GLOBAL_OFFSET_TABLE_, %ecx
-	leal C_SYMBOL_NAME (BP_SYM (__sigjmp_save)@GOTOFF)(%ecx), %ecx
-	jmp *%ecx
-#else
-	jmp BP_SYM (__sigjmp_save)
-#endif
-END (BP_SYM (__sigsetjmp))
-
-	.section .gnu.linkonce.t.__i686.get_pc_thunk.cx,"ax",@progbits
-	.globl __i686.get_pc_thunk.cx
-	.hidden __i686.get_pc_thunk.cx
-	.type __i686.get_pc_thunk.cx,@function
-__i686.get_pc_thunk.cx:
-	movl (%esp), %ecx
-	ret
-	.size __i686.get_pc_thunk.cx, . - __i686.get_pc_thunk.cx
diff --git a/sysdeps/i386/ffs.c b/sysdeps/i386/ffs.c
index 695d48be56..b6aac64dd8 100644
--- a/sysdeps/i386/ffs.c
+++ b/sysdeps/i386/ffs.c
@@ -1,7 +1,7 @@
 /* ffs -- find first set bit in a word, counted from least significant end.
    For Intel 80x86, x>=3.
    This file is part of the GNU C Library.
-   Copyright (C) 1991, 92, 93, 94, 97, 98, 2004 Free Software Foundation, Inc.
+   Copyright (C) 1991, 92, 93, 94, 97, 98, 2004, 2005 Free Software Foundation, Inc.
    Contributed by Torbjorn Granlund (tege@sics.se).
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -47,5 +47,5 @@ libc_hidden_builtin_def (ffs)
 weak_alias (__ffs, ffsl)
 
 #else
-#include <sysdeps/generic/ffs.c>
+#include <string/ffs.c>
 #endif
diff --git a/sysdeps/i386/i686/ffs.c b/sysdeps/i386/i686/ffs.c
index fd7ef1a3d6..684ae21827 100644
--- a/sysdeps/i386/i686/ffs.c
+++ b/sysdeps/i386/i686/ffs.c
@@ -1,7 +1,7 @@
 /* ffs -- find first set bit in a word, counted from least significant end.
    For Intel 80x86, x>=6.
    This file is part of the GNU C Library.
-   Copyright (C) 1991, 92, 93, 94, 97, 98, 2004 Free Software Foundation, Inc.
+   Copyright (C) 1991, 92, 93, 94, 97, 98, 2004, 2005 Free Software Foundation, Inc.
    Contributed by Ulrich Drepper <drepper@cygnus.com>.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -45,5 +45,5 @@ libc_hidden_builtin_def (ffs)
 weak_alias (__ffs, ffsl)
 
 #else
-#include <sysdeps/generic/ffs.c>
+#include <string/ffs.c>
 #endif
diff --git a/sysdeps/i386/memset.c b/sysdeps/i386/memset.c
index 6a7fff8747..120df94d63 100644
--- a/sysdeps/i386/memset.c
+++ b/sysdeps/i386/memset.c
@@ -1,6 +1,6 @@
 /* Set a block of memory to some byte value.
    For Intel 80x86, x>=3.
-   Copyright (C) 1991,1992,1993,1997,1998,2003 Free Software Foundation, Inc.
+   Copyright (C) 1991,1992,1993,1997,1998,2003, 2005 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Torbjorn Granlund (tege@sics.se).
 
@@ -82,5 +82,5 @@ memset (void *dstpp, int c, size_t len)
 libc_hidden_builtin_def (memset)
 
 #else
-#include <sysdeps/generic/memset.c>
+#include <string/memset.c>
 #endif
diff --git a/sysdeps/i386/setjmp.S b/sysdeps/i386/setjmp.S
index e01d32b66c..747499adc2 100644
--- a/sysdeps/i386/setjmp.S
+++ b/sysdeps/i386/setjmp.S
@@ -1,5 +1,5 @@
 /* setjmp for i386.
-   Copyright (C) 1995, 1996, 1997, 2000, 2001 Free Software Foundation, Inc.
+   Copyright (C) 1995,1996,1997,2000,2001,2005 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -42,10 +42,19 @@ ENTRY (BP_SYM (__sigsetjmp))
 	leal JMPBUF(%esp), %ecx	/* Save SP as it will be after we return.  */
      	movl %ecx, (JB_SP*4)(%eax)
 	movl PCOFF(%esp), %ecx	/* Save PC we are returning to now.  */
+#ifdef PTR_MANGLE
+	PTR_MANGLE (%ecx)
+#endif
      	movl %ecx, (JB_PC*4)(%eax)
 	LEAVE /* pop frame pointer to prepare for tail-call.  */
 	movl %ebp, (JB_BP*4)(%eax) /* Save caller's frame pointer.  */
 
+#if defined NOT_IN_libc && defined IS_IN_rtld
+	/* In ld.so we never save the signal mask.  */
+	xorl %eax, %eax
+	ret
+#else
 	/* Make a tail call to __sigjmp_save; it takes the same args.  */
-	jmp BP_SYM (__sigjmp_save)
+	jmp __sigjmp_save
+#endif
 END (BP_SYM (__sigsetjmp))